Question

Find the surface area of this cube. Be sure to include the correct unit in your answer.

Answer 1

Answer:

486 in²

Explanation:

Find the surface area of this cube. Be sure to include the correct unit in your answer.

surface area of a cube = 6a² where a is the length of the side of each edge of the cube

6 × a² =

6 × 9² =

6 × 81 =

486 in²

Answer 2

`\huge\boxed{\sf Surface Area = 486\ in.\²}`

Explanation:

Formula:

Surface area of cube = 6l²

Where,

l = 9 in.

Solution:

Surface Area = 6(9)²

Surface Area = 6(81)

Surface Area = 486 in.²

`\rule[225]{225}{2}`